Helper script for running a single test.

Change-Id: I777c752e31546d388d7a6940fb95ef4b9369aeb2
Reviewed-on: http://gerrit.dmdirc.com/279
Tested-by: Shane Mc Cormack <shane@dmdirc.com>
Reviewed-by: Gregory Holmes <greboid@dmdirc.com>

test-single.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+if [ "" = "${1}" ]; then
+	echo "Usage: ${0} <test file name>"
+	echo "Example: ${0} **/plugins/PluginInfoTest.java"
+	exit 1
+fi;
+ant -Djavac.includes=${1} -Dtest.includes=${1} test-single